Both the CITROEN DS4 and the KIA OPTIMA are tracked here from official DVLA licensing data, and as of 2026 Q2 there are 9,560 CITROEN DS4s versus 10,807 KIA OPTIMAs still on UK roads. The CITROEN DS4 is marginally rarer, but the two are closely matched on survivor numbers. Both are falling year on year (CITROEN DS4 -7.3%, KIA OPTIMA -3.1%).
| CITROEN DS4 | KIA OPTIMA | |
|---|---|---|
| Left in the UK (2026 Q2) | 9,560 | 10,807 |
| Rarity tier | Uncommon | Common |
| Licensed | 8,829 | 10,366 |
| SORN (off-road) | 731 | 441 |
| Peak | 12,019 (2017 Q3) | 11,887 (2020 Q3) |
| Year-on-year | ▼ 751 (-7.3%) yr/yr | ▼ 342 (-3.1%) yr/yr |
The CITROEN DS4 is rarer: 9,560 are left in the UK as of 2026 Q2, compared with 10,807 of the KIA OPTIMA.
As of 2026 Q2 there are 9,560 CITROEN DS4 and 10,807 KIA OPTIMA still registered (taxed or SORN) in the UK, according to DVLA data.